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[Math Thread] Any trigonometry experts?

Discussion in 'BBS Hangout' started by DanzelKun, Oct 26, 2007.

  1. DanzelKun

    DanzelKun Member

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    I'm working on a program and i need to find the ratio between two angles.

    * ThetaA/ThetaB = Number

    But I have available to me only
    * sin(ThetaA),sin(ThetaB),cos(ThetaA),cos(ThetaB)

    Right now I have just been doing
    * sin(ThetaA)/sin(ThetaB) = Number
    and it is reasonably close... but as my ThetaA increases I start to be off by a couple.

    Is there anything I can do (aside from taking the inverse sin() to get the actual angles) to get exactly the right number all the time using what I have? If not what would I need? Is it possible?


    Edit: Oh yeah, and I just played ball at Gregory with John Chiles, I don't have anywhere else to brag right now so I thought I'd throw it in here... :D
     
  2. IROC it

    IROC it Member

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    Whatever you do, don't go off on a tangent.
     
  3. Steve_Francis_rules

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    This works because for small angles, sin(theta) is approximately equal to theta.
     
  4. B-Bob

    B-Bob "94-year-old self-described dreamer"
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  5. yaoluv

    yaoluv Member

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    This is a huge brag and deserves its own thread imo

    give us the scouting report

    also WTF is he doing playing bball midseason
     
  6. DanzelKun

    DanzelKun Member

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    Yeah! I held my breath for a second cause he came down after a rebound and landed on the back of my foot... didn't seem to phase him tho... :D

    Also on shots he'd be all like "Kobe!!" and he could dunk with ease (but perhaps that goes without saying...). He was a cool guy though, confident and had a swagger, what you want on a winning team obviously. Man, he's swole though... I tried to hold my position once as he went to the rim and his body was like a sack of bricks into me. lol


    Oops... off on that tangent... thanks for the math tips, I'll check out the Taylor series thing... :D
     

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